The ornamental design for a waterbottledispenser, as shown and described.
FIG. 1 is a front perspective view of a water bottle dispenser, showing my new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a left elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a front perspective view of the water bottle dispenser, shown in use condition.
The broken lines in the drawing views represent unclaimed portions of a water bottle dispenser, which are included for the purpose of illustrating unclaimed environment only, and form no part of the claimed design.